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math.AC2026
Syzygies of the transfer ideal of the symmetric group
Harm Derksen, Alexandra Pevzner
We consider the modular action of the symmetric group on when . We show that the image of the transfer map …
math.RT2026
Algebraicity of the Brascamp-Lieb constants
Calin Chindris, Harm Derksen
We show that the Brascamp-Lieb (BL) constant BL(-,p) is a semi-algebraic function on the set of feasible data. Consequently, it is algebraic in the sense that it satisfies a polyno…